Understanding Series Circuits Quiz

What is the unit of resistance?

• Ampere

• Volt

• Ohm

• Watt

In a series circuit, if one component fails, what happens to the circuit?

• The circuit continues to work

• The circuit stops working

• The circuit becomes a parallel circuit

• The circuit increases in voltage

What is the formula for Ohm's Law?

If a resistor in a series circuit has a resistance of 5 ohms and the current flowing through it is 2 amperes, what is the voltage across the resistor?

• 5 volts

• 10 volts

• 15 volts

• 20 volts

What is the primary function of a capacitor in a circuit?

• To store electrical energy

• To increase current

• To decrease voltage

• To convert AC to DC

In a series circuit, how does the total resistance compare to the individual resistances?

• Total resistance is the sum of individual resistances

• Total resistance is the average of individual resistances

• Total resistance is the product of individual resistances

• Total resistance is the difference of individual resistances

What happens to the current in a series circuit if the resistance increases?

• Current increases

• Current decreases

• Current remains the same

• Current becomes zero

What is the role of a battery in a circuit?

• To provide resistance

• To store current

• To supply voltage

• To decrease power

If the total voltage in a series circuit is 12 volts and there are three resistors each with a resistance of 2 ohms, what is the current flowing through the circuit?

• 1 ampere

• 2 amperes

• 3 amperes

• 4 amperes

Which of the following components is used to limit the flow of current in a circuit?

• Capacitor

• Resistor

• Battery

• Inductor